/* CSS Variables */
:root {
    --primary-color: #0f172a;
    /* Deep Navy */
    --accent-color: #0ea5e9;
    /* Sky Blue */
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #ffffff;
    --bg-alt: #f8fafc;
    --white: #ffffff;
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-light);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.alt-bg {
    background-color: var(--bg-alt);
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    margin-bottom: 20px;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
}

p {
    color: var(--text-light);
    margin-bottom: 15px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    border: 2px solid var(--primary-color);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-color);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    /* Designed for dark bg usually */
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

/* Header & Navigation */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: 70px;
    display: flex;
    align-items: center;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    /* Align image and text */
    align-items: center;
    gap: 12px;
    /* Space between logo and text */
    text-decoration: none;
    /* Remove underline */
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.1;
}

.company-name {
    font-size: 24px;
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-weight: 700;
}

.company-tagline {
    font-size: 16px;
    color: var(--accent-color);
    font-weight: 500;
    letter-spacing: 0.5px;
}

@media (max-width: 900px) {
    .company-name {
        font-size: 1.1rem;
    }

    .company-tagline {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .logo-text-container {
        display: none;
    }

    .logo img {
        height: 40px;
    }
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links li {
    position: relative;
}

.nav-links li a {
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-dark);
    transition: var(--transition);
    padding: 10px 0;
    display: block;
}

.nav-links li a:hover,
.nav-links li a.active {
    color: var(--accent-color);
}

/* Dropdown Menu Styles */
.dropdown .arrow {
    font-size: 0.8rem;
    margin-left: 5px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background-color: var(--white);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    width: 250px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 10px 0;
    z-index: 1001;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
    width: 100%;
}

.dropdown-menu li a {
    padding: 10px 20px;
    font-size: 0.95rem;
    color: var(--text-dark);
    display: block;
    white-space: normal;
}

.dropdown-menu li a:hover {
    background-color: var(--bg-alt);
    color: var(--primary-color);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
/* Hero Section */
.hero-section {
    height: 100vh;
    /* Background moved to slider */
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 70px;
    background-color: #0f172a;
    /* Fallback */
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    transform: scale(1.05);
    /* Slight zoom for effect */
}

.slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.7));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content .highlight {
    color: var(--accent-color);
}

.hero-content p {
    font-size: 1.2rem;
    color: #cbd5e1;
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Services Section */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    text-align: center;
    border: 1px solid #f1f5f9;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.service-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: inline-block;
}

.service-card h3 {
    font-family: var(--font-body);
    /* Modern stylistic choice */
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    text-align: left;
}

.about-text .subtitle {
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.about-img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.about-img:hover {
    transform: scale(1.02);
}

/* Contact Section */
#contact {
    padding: 40px 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    background: var(--white);
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

#contact .section-header h2 {
    margin-bottom: 0;
    color: var(--accent-color);
    /* rgb(14, 165, 233) */
}

#contact .section-header {
    margin-bottom: 0;
}

.info-item h4 {
    color: var(--accent-color);
    /* rgb(14, 165, 233) */
}

.info-item p {
    color: var(--primary-color);
    /* Match website theme */
    font-weight: 500;
}

.contact-form {
    background-color: var(--white);
    padding: 15px;
    /* Reduced from 30px */
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form .form-group {
    margin-bottom: 15px;
    /* Reduced from 25px */
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-dark);
    background-color: #f8fafc;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: var(--white);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

/* Custom Select styling adjustment */
.contact-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.form-status {
    margin-top: 10px;
    font-weight: 500;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    padding: 60px 0 20px;
    /* Increased top padding */
    color: var(--white);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--white);
}

.footer-col p {
    color: #94a3b8;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links li a {
    color: #94a3b8;
    transition: var(--transition);
}

.footer-links li a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

/* Social Icons */
.social-links {
    display: flex;
    gap: 15px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--accent-color);
    color: var(--white);
    transform: translateY(-3px);
}

.social-icon svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    margin-bottom: 0;
    /* Override footer-container margin */
    /* Display grid is inherited from footer-container */
    align-items: center;
    /* Vertically align text */
}

/* Position the second paragraph (Designed by) in the last column */
.footer-bottom p:last-child {
    grid-column: 3;
    text-align: right;
}

@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        /* Ensure border visible on mobile */
    }

    .footer-bottom p:last-child {
        grid-column: 1;
        /* Stack on mobile */
        text-align: center;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0;
        top: 70px;
        background-color: var(--white);
        flex-direction: column;
        width: 100%;
        text-align: center;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease-in-out;
        display: none;
        /* Hide by default on mobile for toggle logic */
        display: flex;
        /* Override to flex, but use transform to hide/show */
    }

    .nav-links.nav-active {
        transform: translateY(0);
    }

    .hamburger {
        display: block;
    }

    .hamburger.toggle .bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .hamburger.toggle .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.toggle .bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .about-container,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .image-placeholder {
        height: 250px;
    }

    /* Mobile Dropdown Handling */
    .dropdown:hover .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: #f8fafc;
        width: 100%;
        text-align: center;
    }

    .dropdown-menu li a {
        padding: 10px;
        font-size: 0.9rem;
    }

    .nav-links {
        overflow-y: auto;
        /* Allow scrolling if menu is long */
        max-height: 80vh;
    }
}

/* Scroll Up Button */
.scroll-up-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--accent-color);
    color: var(--white);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.scroll-up-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-up-btn:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* Pre-loader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.loader-logo {
    width: 80px;
    margin-bottom: 20px;
    animation: pulse 2s infinite ease-in-out;
}

.loader-circle {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}